Red Bull driver Sebastian Vettel recorded yet another start-to-finish win at the Singapore Grand Prix on Sunday to further extend his lead in the Formula One championship.

The German was in a class of his own under the Marina Bay lights, winning by a massive 32.6 seconds over Fernando Alonso and boosting his championship lead on the Ferrari driver from 53 points to 60 with six races remaining.

Lucas Luhr and Klaus Graf cruised to their seventh consecutive American Le Mans Series presented by Tequila Patrón victory Saturday in the International Sports Car Weekend race, lapping the field twice at Circuit of The Americas.

Luhr and Graf led all the way in the No. 6 Muscle Milk Pickett Racing HPD ARX-03c, completing 83 laps over the two-hour, 45-minute race. Luhr extended his ALMS-leading victory total to 48. The race ran start to finish under the green flag.

With the ALMS competitors racing on the sparkling 3.4-mile layout for the first time, teams had the opportunity to test on Tuesday and Thursday under warm conditions. Muscle Milk Pickett Racing opted not to test – taking to the track for the first time on a rainy Friday for practice and qualifying.

Audi has locked out the front row for Sunday’s Six Hours of the Circuit of The Americas, following a dominant run in qualifying for the fifth round of the FIA World Endurance Championship.

Allan McNish and Loic Duval combined for a four-lap average of 1:48.355. The No. 2 Audi R18 e-tron quattro edged out the sister No. 1 diesel-powered hybrid of Andre Lotterer and Marcel Fassler of by 0.262 seconds.

With Lotus team mate Kimi Raikkonen hampered by a back injury Romain Grosjean stepped up to take third on the grid in Singapore.

Grosjean was one of only three drivers to have the confidence to gamble on using only supersoft tires to progress from Q1, along with Vettel and Webber. He was only 0.217s off pole man Vettel in Q3, although he also lost out to Nico Rosberg.

Porsche AG and Porsche Cars North America (PCNA) have announced the sports car marque will field a two-car factory team named PORSCHE NORTH AMERICA throughout next year’s inaugural TUDOR United SportsCar Racing championship.